Finding the Fourth Proportional to 66,351,746.43, 91,566,018.68 and 36,583,462.35
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Solution
The fourth proportional to 66,351,746.43, 91,566,018.68 and 36,583,462.35 is: 50,485,513.60
Step by Step Solution
- Step 1: Write the proportion equation
66,351,746.43 : 91,566,018.68 = 36,583,462.35 : x - Step 2: Convert to fraction form
66,351,746.43/91,566,018.68 = 36,583,462.35/x - Step 3: Cross multiply
66,351,746.43x = 91,566,018.68 × 36,583,462.35 - Step 4: Simplify right side
66,351,746.43x = 3,349,801,996,736,259.50 - Step 5: Solve for x
x = 3,349,801,996,736,259.50/66,351,746.43 - Step 6: Final answer
x = 50,485,513.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.